Q. What technology do flat monitors use?
a) CRT
b) LCD
c) LED
d) Both b and c
Answer: d) Both b and c
Q. Which device uses laser technology for printing?
a) Dot matrix printer
b) Inkjet printer
c) Laser printer
d) Line printer
Answer: c) Laser printer
Q. Which device projects computer output onto a larger surface?
a) Monitor
b) Printer
c) Projector
d) Plotter
Answer: c) Projector
Q. What is an example of a speech input device?
a) Mouse
b) Microphone
c) Keyboard
d) Projector
Answer: b) Microphone
Q. What kind of copy does a monitor provide?
a) Hard copy
b) Soft copy
c) Printed copy
d) Digital copy
Answer: b) Soft copy
Q. What is the primary purpose of an optical character reader (OCR)?
a) Scan barcodes
b) Read printed characters and convert them to digital form
c) Recognize magnetic ink
d) Identify marks on OMR sheets
Answer: b) Read printed characters and convert them to digital form
Q. Which device is widely used in banks for processing cheques?
a) Optical character reader
b) Magnetic ink character reader
c) Barcode scanner
d) Electronic card reader
Answer: b) Magnetic ink character reader
Q. What type of device is a touchscreen?
a) Output device
b) Input device
c) Both input and output device
d) None of the above
Answer: c) Both input and output device
Q. Which key is used to move the cursor to the next tab position?
a) Tab
b) Spacebar
c) Enter
d) Shift
Answer: a) Tab
Q. Which device is used for facial recognition authentication?
a) Optical character reader
b) Barcode scanner
c) Camera
d) Joystick
Answer: c) Camera
